2003055 has 16 divisors (see below), whose sum is σ = 3284064. Its totient is φ = 1041920.

The previous prime is 2003051. The next prime is 2003081. The reversal of 2003055 is 5503002.

2003055 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 2003055 - 2² = 2003051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (205254).

2^2003055 is an apocalyptic number.

2003055 is a deficient number, since it is larger than the sum of its proper divisors (1281009).

2003055 is a wasteful number, since it uses less digits than its factorization.

2003055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 2003055 is about 1415.2932558307. The cubic root of 2003055 is about 126.0562233338.

Adding to 2003055 its reverse (5503002), we get a palindrome (7506057).

The spelling of 2003055 in words is "two million, three thousand, fifty-five".